This removes the requirement to call fmsg.Exit on every exit path, and enables direct use of the "log" package. However, fmsg.BeforeExit is still encouraged when possible to catch exit on suspended output. Signed-off-by: Ophestra <cat@gensokyo.uk>
This Op would still be useful after replacing the Tmpfiles interface, so isolate it here. Signed-off-by: Ophestra <cat@gensokyo.uk>